|  | C31231211113313121211113313331333133313311211331333133313331333133313331311331311211323321 
  >> |  | C3123121111331312121111331333133313331331121133133313331333133313331333131133131121132332 
  << |  | C31231211113313121211113313331333133313311211331333133313331333133313331311331311211323323 
  >> |  |